Liu Yuanbao.Development of Runoff Groove on Loess Plateau and Its Control[J].Research of Soil and Water Conservation,1990,(02):34-39.
黄土高原集流槽的发育与控制
- Title:
- Development of Runoff Groove on Loess Plateau and Its Control
- Keywords:
- Loess plateau; Runoff groove; Shallow gully erosion
- 摘要:
- 本文从细沟交汇与分叉和人为耕作作用两方面论叙了集流槽的发生发展机制，在搞清其发生发展规律的基础上，讨论了它在现代侵蚀沟和微地貌分类中的归属问题，指出它应作为细沟、浅沟、切沟系列以外一种特殊的侵蚀微地形。将发生在集流槽底部，宽度30～50cm，其深度与耕作层等深的小侵蚀沟称为浅沟。嗣后讨论了用细沟、浅沟分布的不均匀性拟定的集流槽发育系数d，来鉴别集流槽发育程度的方法，分析了集流槽与细沟侵蚀、浅沟侵蚀的关系。最后提出控制集流槽发展，防止浅沟、切沟侵蚀的两项措施。
- Abstract:
- This paper discusses the formation of runoff groove based on the merger and divergence of rill and man activity. We think the runoff groove should not belong to the erosion gully system as rill, shallow gully and gully but a special eroded macro land form. The small eroded channel occurred on the bottom of runoff groove could divided into eroded gully systems, e.g. shallow gully. Then we discuss development stages evaluation of runoff groove by the distributions of rill erosion. At last two soil conservation methods have been put forward.
参考文献/References:
1 罗米兴:划分晋西、陕北、陇东黄土区域沟间地与沟谷的地貌类型,《地理学报》,22卷3期,210~222页,1956年
2 辛树帜、蒋德麒等:《中国水土保持概论》(第1版),农业出版社,第53页,1982年
3 H.H.格拉西莫夫等:《现代侵蚀地形与水土保持》(第1版),科学出版社,第47页,1956年
4 H.H.Bennett,Element of soil conservation,Second Edition,MCGRAW-HILL PUBLISHING COMPANYLTO London,P69,1955
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